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T1 Overall Science Revision 2022

Total questions: 131

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

Which of the following are present in plant cells but not in animal cells? (Multiple answers)

a)

cell wall

b)

nucleus

c)

chloroplast

d)

vacuole

e)

cell membrane

2.

Which of the following are required for photosynthesis?

a)

oxygen

b)

water

c)

carbon dioxide

d)

glucose

e)

light

3.

The following is the word equation for photosynthesis.

Z   +   H   ⟶   M   +   BZ\ \ \ +\ \ \ H\ \ \ \longrightarrow\ \ \ M\ \ \ +\ \ \ B  



What is M and B?

a)

M: chlorophyll, B: carbon dioxide

b)

M: water, B: oxygen

c)

M: glucose, B: oxygen

d)

M: oxygen, B: water

4.

Which of the following best describes what is the rate of photosynthesis?

a)

The process that plants use to make their own food.

b)

Oxygen and glucose

c)

How quickly a plant is carrying out photosynthesis

d)

Carbon dioxide and water

5.

An experiment was conducted to investigate the effect of the amount of light received on the rate of photosynthesis of a pond weed.

Which of the following are controlled variables in this experiment?

a)

Distance between the lamp and the pond weed.

b)

The amount of gas bubbles produced.

c)

Type of pond weed used.

d)

Type of lamp used.

6.

An experiment was conducted to investigate the effect of light on the rate of photosynthesis of a pond weed.


What is the independent variable in this experiment?

a)

The amount of light reaching the pond weed.

b)

The amount of gas bubbles produced.

c)

Temperature of the water.

d)

Type of lamp used.

7.

An experiment was conducted to investigate the effect of light on the rate of photosynthesis of a pond weed.


What is the dependent variable in this experiment?

a)

The amount of light reaching the pond weed.

b)

The amount of gas bubbles produced.

c)

Quantity of pond weed used.

d)

Type of lamp used.

8.

An experiment was conducted to investigate the effect of light on the rate of photosynthesis of a water plant.


What is the conclusion of this experiment?

a)

The higher the light intensity, the higher the rate of photosynthesis.

b)

The higher the light intensity, the lower the rate of photosynthesis.

c)

The lower the light intensity, the higher the rate of photosynthesis.

d)

Light intensity does not affect the rate of photosynthesis.

9.

As the amount of carbon dioxide received by a plant decreases, the rate of photosynthesis ___________________.

a)

decreases

b)

increases

c)

stays the same

10.

Name the part of the flower that produces pollen grains.

(a)  

11.

What is the function of M?

a)

To produce pollen grains.

b)

To collect pollen grains.

c)

To produce ovum.

d)

To produce sperm.

12.

What is the function of K?

a)

To produce pollen grains.

b)

To collect pollen grains.

c)

To produce ovum.

d)

To produce sperm.

13.

What is the function of D?

a)

To produce pollen grains.

b)

To collect pollen grains.

c)

To produce ovum.

d)

To produce sperm.

14.

This type of flower is likely pollinated by...

a)

water

b)

wind

c)

insects

d)

kangaroos

15.

Pollination is the...

a)

bees fly fly and land on flower

b)

stamen and stigma combined

c)

transfer of nectar from stigma to anther

d)

transfer of pollen grains from anther to stigma

16.

Which of the following are features of insect-pollinated flowers? (Multiple answers)

a)

Sticky roots

b)

Light and smooth pollen grains

c)

Sticky stigma

d)

Brightly coloured petals

e)

Contains nectar

17.

This type of flower is likely pollinated by...

a)

water

b)

wind

c)

insects

d)

self-conscious pandas

18.

Which of the following are features of wind-pollinated flowers? (Multiple answers)

a)

Doesn't contain nectar

b)

Feathery stigma

c)

Large petals

d)

Light and dry pollen grains

e)

Sticky pollen grains

19.

(a)   is the transfer of pollen grains from anther to stigma.

20.

After pollination, a _____________ grows out of the pollen and it goes down the _____________.

a)

pollen grain, style

b)

stamen, filament

c)

pollen tube, style

d)

nectar, filament

21.

Name the part of the flower that may be brightly coloured to attract insects.

(a)  

22.

The process in which the nucleus of a male gamete fuses with the nucleus of a female gamete is called (a)   .

23.

Once a pollen grain germinates and grows a pollen tube, a ______________ moves down the pollen tube towards the ______________.

a)

female gamete, ovary

b)

female gamete, anther

c)

male gamete, anther

d)

male gamete, ovary

24.

After fertilisation, the ovule develops into a (a)   .

25.

After fertilisation, the ovary develops into a (a)   .

26.

Why do some animals make their nests by burrowing underground?

a)

To attract more predators.

b)

To shelter from the heat.

c)

To find a water source.

d)

To breed safely.

27.

The image shows a komodo dragon. Select the statements that are true about this creature. (Multiple answers)

a)

It is a reptile.

b)

It does internal fertilisation.

c)

It breathes with gills.

d)

It lays soft-shelled eggs on land.

e)

It is covered in slimy scales.

28.

Which of the following are true about amphibians? (Multiple answers)

a)

Turtles are amphibians.

b)

They can breathe through their skin.

c)

Their body temperature follows their surrounding temperature.

d)

They lay eggs on land.

e)

They can breathe with lungs.

29.

Mammals... (multiple answers)

a)

have scales.

b)

have fur or hair.

c)

are warm-blooded.

d)

lay warm eggs.

e)

have external ears.

30.

(a)   is a class of vertebrates that uses gills to breathe when young, then lungs and moist skin in adulthood.

31.

Which of these are classes of vertebrates? (Multiple answers)

a)

Amphibian

b)

Reptile

c)

Annelids

d)

Invertebrates

e)

Fish

32.

The image shows a komodo dragon. Select the statements that are true about this creature. (Multiple answers)

a)

It is a reptile.

b)

It does internal fertilisation.

c)

It breathes with gills.

d)

It lays soft-shelled eggs on land.

e)

It is covered in slimy scales.

33.

What is part H?

(a)  

34.

What is part G?

(a)  

35.

What is part F?

(a)  

36.

What is part D?

(a)  

37.

What is part E, the structure right at the tips of bronchiole? Singular or plural answers accepted,

(a)  

38.

The image shows a part in our lungs. These are called ___________ and they are surrounded by _________________.

a)

muscles, arteries

b)

tissues, veins

c)

alveoli, blood capillaries

d)

cartilage, blood vessels

39.

The alveolus is where ______________ occurs between ___________ and _____________.

a)

respiration, oxygen, glucose

b)

photosynthesis, carbon dioxide, water

c)

respiration, oxygen, carbon dioxide

d)

gaseous exchange, oxygen, carbon dioxide

40.

The gaseous exchange that occurs at the alveoli involves ___________ leaving the blood ____________ diffusing into the blood.

a)

carbon dioxide, oxygen

b)

oxygen, carbon dioxide

c)

carbon dioxide, water

d)

oxygen, hydrogen

41.

Which of the following are food chains that can be extracted from the food web shown in this question? (3 answers)

a)

Grass > Grasshopper > Hawk

b)

Grass > Mouse > Hawk

c)

Grass > Rabbit > Lizard

d)

Grass > Mouse > Rabbit

e)

Grass > Grasshopper > Lizard > Hawk

42.

Which of these are secondary consumers? (2 answers)

a)

Grass

b)

Snake

c)

Grasshopper

d)

Lizard

e)

Rabbit

43.

Predict what would happen if a drought caused many of the plants in this community to die? (2 answers)

a)

The butterfly population will increase.

b)

The rabbit population will increase.

c)

The rat population will decrease.

d)

The lizard population will decrease.

e)

There will be more competition between butterflies, rabbits and rats.

44.

What do the arrows in a food chain represent?

a)

Power transfer.

b)

Flow of life.

c)

Flow of energy.

d)

Eating power.

45.

Which of the following is true about clay?

a)

very small particles

b)

large air spaces between particles

c)

feels sticky

d)

high water retention

46.

Which of the following is true about loam?

a)

made of sand and clay

b)

made of sand, clay, and silt

c)

made of sand, clay, silt and humus

d)

made of sand, clay, silt, humus and giraffe horns

47.

Which of the following is true about peat? (2 answers)

a)

it is a type of soil

b)

it is like clay

c)

it contains organic matter

d)

it can be found mostly at the beach

48.

An experiment was conducted to investigate the water holding capacity of loam, clay and sand.


Which soil type is soil Y?

a)

loam

b)

clay

c)

sand

d)

silt

49.

An experiment was conducted to investigate the water holding capacity of loam, clay and sand.


Which soil type is soil Z?

a)

loam

b)

clay

c)

sand

d)

silt

50.

An experiment was carried out by drying different types of soil samples in the oven.


Which soil sample contains the most amount of water?

a)

A

b)

B

c)

C

d)

D

e)

E

51.

What is the volume of air space in this soil sample in cm3cm^3  ?

(a)  

52.

Which layer is made mainly of iron?

a)

A

b)

B

c)

C

d)

D

53.

What is A?

a)

Outer core

b)

Mental

c)

Inner core

d)

Crust

e)

Mantle

54.

What is C?

a)

Outer core

b)

Mental

c)

Inner core

d)

Crust

e)

Mantle

55.

What is B?

a)

Outer core

b)

Mental

c)

Inner core

d)

Crust

e)

Mantle

56.

What is rock J?

(a)  

57.

What is rock K?

(a)  

58.

What is rock L?

(a)  

59.

Which of the following are examples of rock L?

a)

granite

b)

sandstone

c)

basalt

d)

marble

e)

limestone

60.

The image shows some remains of animals from millions of years ago. What word is used to describe such remains?

Answer: f _ _ _ _ l

(a)  

61.

Which of the following layer has the oldest fossils?

a)

V

b)

W

c)

X

d)

Y

e)

Z

62.

Fossils can only be found in (a)   rock.

63.

Why fossils cannot be found in igneous rocks?

a)

Because animals don't live inside igneous rocks.

b)

Because igneous rocks are too hard for fossils to form inside them.

c)

The high temperature of magma destroys the animal and plant remains.

d)

Because fossils need even higher temperatures to form.

64.

Metamorphic rocks are formed due to...

a)

the cooling of magma.

b)

high temperature and pressure.

c)

fossils making them.

d)

weathering and erosion

65.

What is the volume of air in this soil sample in cm3cm^3  ?

a)

50

b)

42

c)

8

d)

192

66.

John wants to check how acidic a solution is. What should he use?

a)

Litmus paper

b)

Iodine

c)

Universal indicator

d)

Glucose

67.

What scale is used to measure the alkalinity of a liquid?

a)

dry scale

b)

pH scale

c)

electric scale

d)

weighing scale

68.

Which scientist made a significant breakthrough in discovering the atomic model?

a)

Plato

b)

Copernicus

c)

Newton

d)

Rutherford

69.

The blue particles in this image are...

(a)  

70.

The red particles in this image are...

(a)  

71.

The purple particles in this image are...

(a)  

72.

What element is this?

(a)  

73.

How many protons are there in a carbon atom?

(a)  

74.

Which of the following elements have similar properties with lithium?

a)

K

b)

Ca

c)

Be

d)

Na

75.

Which group is this element in?

a)

2

b)

6

c)

8

d)

9

76.

What group and period is this element in?

a)

Group 2, Period 8

b)

Group 8, Period 2

c)

Group 10, Period 8

d)

Group 8, Period 10

77.

The image shows an example of a/an ______________

a)

element

b)

compound

c)

mixture

78.

The image shows an example of a/an ______________

a)

element

b)

compound

c)

mixture

79.

The image shows an example of a/an ______________

a)

element

b)

compound

c)

mixture

80.

The image shows an example of a/an ______________

a)

element

b)

compound

c)

mixture

81.

The image shows an example of a/an ______________

a)

element

b)

compound

c)

mixture

82.

Chlorine gas (Cl2) is poisonous to humans and can cause permanent lung damage when inhaled. Chlorine gas is an example of a/an...

a)

element

b)

mixture

c)

compound

83.

Some wood shavings were added into a box filled with tiny plastic balls and the box was shaken. The contents of the box now are an example of a/an...

a)

element

b)

mixture

c)

compound

84.

Which diagrams show a mixture made of different elements?

a)

B

b)

C

c)

E

d)

H

e)

I

85.

Which diagram shows a mixture of an element and a compound?

a)

B

b)

C

c)

E

d)

H

e)

I

86.

Calcium carbonate has a chemical formula of CaCO3. What are the three elements in calcium carbonate?

a)

carbon

b)

calcium

c)

hydrogen

d)

carbon dioxide

e)

oxygen

87.

Explain why this is a mixture.

a)

It contains two different elements that are not bound together.

b)

They are chemically combined.

c)

They look different.

d)

Bb..bbu..bbut this is not a mixture?!

88.

What happens when a liquid evaporates?

a)

Particles slow down.

b)

Particles on the surface gain energy.

c)

Particles form bonds and moves closer to one another.

d)

Particles that have enough energy escape the liquid.

89.

What happens when a liquid boils?

a)

Particles move further apart from one another.

b)

Particles move faster.

c)

Particles slow down.

d)

Particles move closer to one another and form bonds.

90.

What is the function of an oscilloscope?

a)

It is like a telescope but for ears.

b)

It allows us to listen to low frequency sounds.

c)

It allows us to see sound waves.

d)

It functions like a speaker.

91.

Both sound waves P and Q shown were recorded in the same period of time (1 second). Which of the following are true about them?

a)

P and Q have the same frequency.

b)

P and Q have the same amplitude.

c)

P has lower frequency.

d)

Q has a higher amplitude.

e)

P sounds softer.

92.

Both sound waves X and Y shown were recorded in the same period of time (1 second) with the same loudness. Which of the following are true about them?

a)

X and Y have the same frequency.

b)

X and Y have the same amplitude.

c)

X has lower frequency.

d)

Y has a higher amplitude.

e)

Y has a higher pitch.

93.

Both sound waves A and B shown were recorded in the same period of time (1 second). It was observed that B has higher crests (peaks) than A. Which of the following are true about them?

a)

A and B have the same frequency.

b)

B is louder than A.

c)

A has a lower pitch.

d)

B has a frequency of 10 Hz

e)

A has a frequency of 2 Hz

94.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The pitch of the sound ________________

a)

increases

b)

decreases

c)

stays the same

95.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The frequency of the sound ________________

a)

increases

b)

decreases

c)

stays the same

96.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The volume of the sound ________________

a)

increases

b)

decreases

c)

stays the same

97.

Lee looks at different sound traces with an oscilloscope. Describe what is happening to the sound from A to B. The amplitude of the sound ________________

a)

increases

b)

decreases

c)

stays the same

98.

The number of vibrations per second is called _______________ and it is measured in _________________.

a)

frequency, decibels (dB)

b)

frequency, Hertz (Hz)

c)

amplitude, decibels (dB)

d)

wavelength, centimeter (cm)

99.

How many complete wave cycles are shown in this diagram?

a)

7

b)

4

c)

3

d)

over 9000

100.

1 rotation of the Earth = __________ day(s)

a)

1

b)

24

c)

60

d)

365

101.

1 year = ____________ (2 answers)

a)

1 full orbit around the Sun

b)

1 full rotation of the Earth

c)

365 full orbits around the Sun

d)

365 full rotations of the Earth

102.

Name the sixth planet from the Sun.

(a)  

103.

Name the second planet that is closest to the Sun.

(a)  

104.

The camera that took this photograph let light into it for 30 minutes.


Which of the following are true about this photograph of a night sky? (2 answers)

a)

The lines on the photograph are stars.

b)

The lines on the photograph are aeroplanes.

c)

The lines are seen because the Earth is rotating.

d)

The lines are seen because the aeroplanes are flying across the sky.

105.

Name the third planet that is closest to the Sun.

(a)  

106.

Name the seventh planet from the Sun.

(a)  

107.

Humans can see the star Polaris from Earth.


Why does the star appear to move during different times of the year?

a)

The star is orbiting Earth.

b)

It is a shooting star.

c)

The Earth is rotating.

d)

The Earth is orbiting the star.

108.

Name the fifth planet from the Sun.

(a)  

109.

Name the first planet that is closest to the Sun.

(a)  

110.

Name the eight planet from the Sun.

(a)  

111.

Pressure =

a)

Mass / Volume

b)

Force / Area

c)

Mass x Volume

d)

Force x Area

112.

What is the unit for Force or Weight?

a)

kg

b)

N

c)

N/cm2

d)

g/cm3

113.

Why is the tip of the pin able to penetrate the board in this image? (2 answers)

a)

The tip of the pin has a small area.

b)

The pin is sharp.

c)

Force acting through a small area produces high pressure.

d)

The board is soft.

114.

The like poles of two magnets...

a)

attract one another

b)

repel one another

c)

merge to form another magnet

d)

split to become four magnets

115.

The unlike poles of two magnets...

a)

attract one another

b)

repel one another

c)

merge to form another magnet

d)

split to become four magnets

116.

Which of the following are true about magnets?

a)

They always have a north and south pole.

b)

They always have an east and west pole.

c)

Magnetic field lines emerge from the south pole and enters the north pole of the magnet.

d)

Magnetic field lines emerge from the north pole and enters the south pole of the magnet.

117.

A magnet is placed under a piece of paper and iron filings is scattered on the paper. The image shows the observation made in this investigation. What does the shape of the iron filings represent?

a)

Gravity

b)

Magnetic pressure

c)

Magnetic field lines

d)

Electromagnetic force

118.

There is something wrong with the image shown here.


What is the mistake?

a)

The magnetic field lines should enter the north pole.

b)

The magnetic field lines should enter the south pole.

c)

All the magnetic field lines are in the wrong direction.

d)

No, there is nothing wrong and I won't fall for this trick.

119.

What is force A?

a)

gravity

b)

push

c)

pull

d)

friction

120.

What is force B?

a)

gravity

b)

push

c)

pull

d)

friction

121.

Which of the following are situations where friction is useful?

a)

It enables us to hold objects.

b)

Sharpening a knife.

c)

Scraping our knee when we fall down.

d)

Creating noise.

122.

Which of the following are situations where friction is not useful?

a)

Causes blisters.

b)

Slows machine equipment down.

c)

Creates heat that damages equipment.

d)

Scratching an itchy area on our skin.

123.

Which of the following are factors that affect friction?

a)

Density of air.

b)

Roughness of the surface.

c)

Force applied on the object in contact with the surface.

d)

Temperature.

124.

Which of the following cars have the highest air resistance?

a)
b)
c)
d)
125.

When you ride a bicycle and go fast, the wind that you feel on your skin is caused by...

a)

gravitational force

b)

wind energy

c)

oxygen

d)

air particles colliding with the surface of your skin.

126.

Which of the following are a form of renewable energy? (2 answers)

a)

natural gas

b)

coal

c)

solar

d)

geothermal

127.

What physical quantities do you need to measure to calculate the density of a glass block? (Multiple answers)

a)

Volume

b)

Force

c)

Mass

d)

Area

128.

What equipment should you use to measure the volume of a cuboid?

a)

Weighing scale

b)

Ruler

c)

Thermometer

d)

Electric scale

129.

What equipment should you use to measure the mass of a rock?

a)

Weighing scale

b)

Ruler

c)

Thermometer

d)

Electric scale

130.

Which of the following is the incident ray?

a)

C

b)

D

c)

E

d)

F

e)

G

131.

Which of the following is the angle of reflection, r?

a)

A

b)

B

c)

C

d)

D

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